Siege machinery first appeared in the West during the Carthaginian invasion of Sicily in the late 5th century BC, in the form of siege-towers and battering rams. After a 50-year hiatus they re-appeared in the Macedonian armies of Philip II and Alexander the Great, a period that saw the height of the[...]

With the vast expansion of the Roman Empire came a need for more and more fortifications to defend it. The borders of the Empire stretched through wildly different terrains which demanded a huge variety of different fortifications, depending on the local conditions and the threats faced by the diffe[...]

In this book Duncan Campbell explores the course of the wars that ensued as successive emperors sought to extend the empire, from Claudius' conquest of Britannia, Domitian's campaigns on the Rhine and the Danube, through Trajan's Dacian Wars and Parthian War, to Marcus Aurelius' Marcomannic Wars, as[...]

The concept of a legionary fortress as a permanent structure dates from the reign of Augustus (27 BC-AD 14). It is only from that time that we find a standing army distributed around the empire, and their permanent fortresses developed from the temporary field fortifications of the legions on campai[...]